*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
}

/* html {
  font-family:
    'Source Sans Pro',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    Arial,
    sans-serif;
  font-size: 16px;
  word-spacing: 1px;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
} */


body {
  --tmColor: #409EFF;
  --childColor: #2eb037;
  --tmHeight: 80px
}

dl,
ul,
ol,
menu,
li {
  list-style: none;
  padding: 0;
  margin: 0;
} /* 重置类表前导符号为onne,menu在HTML5中有效 */


a {
  color: #666;
  text-decoration: none;
  font-size: 14px;
}

.link {
  margin-right: 40px;
}


.mt {
  margin-top: 20px;
}